[-v4,next,1/4] memcg: use OFP_PEAK_UNSET instead of -1

Commit Message

Chen Ridong Jan. 24, 2025, 7:35 a.m. UTC

From: Chen Ridong <[e-mail]>

The 'OFP_PEAK_UNSET' has been defined, use it instead of '-1'.

Signed-off-by: Chen Ridong <[e-mail]>
Reviewed-by: Michal Koutný <[e-mail]>
Acked-by: David Finkel <[e-mail]>
Acked-by: Shakeel Butt <[e-mail]>
Acked-by: Johannes Weiner <[e-mail]>
---
 mm/memcontrol.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 46f8b372d212..05a32c860554 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -4004,7 +4004,7 @@  static ssize_t peak_write(struct kernfs_open_file *of, char *buf, size_t nbytes,
 			WRITE_ONCE(peer_ctx->value, usage);
 
 	/* initial write, register watcher */
-	if (ofp->value == -1)
+	if (ofp->value == OFP_PEAK_UNSET)
 		list_add(&ofp->list, watchers);
 
 	WRITE_ONCE(ofp->value, usage);